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wcsncpy(3)

WCSNCPY(3)                 Linux Programmer's Manual                WCSNCPY(3)

NAME
       wcsncpy - copy a fixed-size string of wide characters

SYNOPSIS
       #include <wchar.h>

       wchar_t *wcsncpy(wchar_t *dest, const wchar_t *src, size_t n);

DESCRIPTION
       The   wcsncpy()  function  is  the  wide-character  equivalent  of  the
       strncpy(3) function.  It copies at most  n  wide  characters  from  the
       wide-character string pointed to by src, including the terminating null
       wide  character  (L'\0'),  to  the array pointed to by dest.  Exactly n
       wide characters are written at dest.   If  the  length  wcslen(src)  is
       smaller  than  n, the remaining wide characters in the array pointed to
       by dest are filled with  null  wide  characters.   If  the  length  wc‐
       slen(src)  is greater than or equal to n, the string pointed to by dest
       will not be terminated by a null wide character.

       The strings may not overlap.

       The programmer must ensure that there is room for at least n wide char‐
       acters at dest.

RETURN VALUE
       wcsncpy() returns dest.

ATTRIBUTES
       For an explanation of the terms  used  in  this  section,  see  attrib‐
       utes(7).   allbox;  lb  lb  lb l l l.  Interface Attribute Value T{ wc‐
       sncpy() T}   Thread safety  MT-Safe

CONFORMING TO
       POSIX.1-2001, POSIX.1-2008, C99.

SEE ALSO
       strncpy(3)

COLOPHON
       This page is part of release 5.02 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at
       https://www.kernel.org/doc/man-pages/.

GNU                               2019-03-06                        WCSNCPY(3)
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